<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>lesson2</title>
    <link href="./statics/lib/bootstrap/css/bootstrap.min.css" rel="stylesheet">
    <link href="./statics/css/app.css" rel="stylesheet"/>
</head>
<body>
<header id="banner">
    <div class="container">
        <a href="#"><img src="./statics/imgs/logo.png"/></a>
        <button class="navbar-toggle collapsed" type="button" data-toggle="collapse" data-target="#navbar"
                aria-expanded="false">
            <span class="sr-only">下拉按钮</span>
            <span class="icon-bar"></span>

            <span class="icon-bar"></span>

            <span class="icon-bar"></span>
        </button>
        <nav class="collapse navbar-collapse" id="navbar" role="navigation">
            <ul class="nav navbar-nav navbar-right">
                <li><a href="#">about</a></li>
                <li><a href="#">portfolio</a></li>
                <li><a href="#">contact</a></li>
            </ul>
        </nav>
    </div>
</header>
<script src="./statics/lib/jquery.js"></script>
<script src="./statics/lib/bootstrap/js/bootstrap.min.js"></script>
</body>
</html>